| En Name: | Kuytun |
| Ru Name: | Куйтун |
| Map Label Position: | bottom |
| Federal Subject: | Irkutsk Oblast |
| Adm District Jur: | Kuytunsky District |
| Inhabloc Cat: | Urban-type settlement |
| Pop 2010Census: | 10097 |
Kuytun (Russian: Куйтун; Buriat: Хүйтэн, Khüiten) is an urban locality (an urban-type settlement) in Kuytunsky District of Irkutsk Oblast, Russia. Population: